If your running Windows - it looks like Malware/Virus activity. DO NOT click stuff like that. If you want to check your certificates go to Internet
Explorer's Options under the tool gear, then click the Content Tab and you will see a radio button for Certificates. Click it... Do a search from root
for Google Certificate... Actually, does Google have a cert? - yet another question... Anyway, you can drill down in any certificate and verify
expiration dates. If your worried you may have changed something, can out of it (cancel cancel cancel).

Could be a man-in-the-middle attack where someone is sitting between you and Google (or any other site for that matter). You think you are connecting
to google when in fact you are connected to something else posing as Google. The attacker sets up an encrypted connection with you and either infects
you when you get to the site, or reads data you are trying to send securely to Google. If you get this going to other sites, check your DNS settings
and run an AV scan

I'd suspect you are behind a firewall whose system date/time/timezone is not correct, or your mobile device date/time/timezone is not correct and you
are using the Chrome browser. The error says it is date related.

While this could be indicating a man-in-the-middle type compromise, it could also be a misconfigured top-end firewall device, which could be at
your ISP or on the corporate network through which you are connecting to the Internet, or on your device.

If you were accessing google via HTTP there would be no issue but since you are using HTTPS, the certification of the connection (which requires that
certificates have not timed-out) is part of the security. An invalid date/time/timezone somewhere will disqualify the certificate/s.

Google seems to be enforcing HTTPS connections now for most of their services and also on the Chrome browser, which means greater security between
your browser and their servers but can occasionally cause issues.

Check the date, time and timezone on your device are correct, then retry browsing to Google search. If the problem persists, you could download
another browser app. I'd suggest the free TOR Browser which combines normal browser security with the added security of the TOR VPN. This will also
effectively prevent any man-in-the-middle type attck too.

I had the same thing happen recently, unfortunately it's malware. It hijacks every browser, and will write a script to the registry, and 4 or 5
other places. Extremely malicious too. Unless everything is removed it will replicate, again and again.

Safe mode without networking, CCleaner, Malwarebytes, Hitman pro, Hijack this. Run each 1 and then immediately restart back into safe mode and then
run the next one. Rinse and repeat. Register with Bleeping Computer if you can't get rid of it and people there will help with it and running Hitman
Pro and interpreting Hijack This. I used to be 1 of them. Its a good place.

And stop using anything Google related. Amazes me how many people worry about their Privacy and don't trust our Govt and then use Chrome, Android, and
everything else that is Google related. A company that is essentially the 2nd branch of our Govt.

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